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SONAME and custom packages
--------------------------
Depending on the context of the installation and the configuration
options you select, if you a recompiling for your local system then
you may find you want to be able to control the soname of your PETSc
shared library. You can do this with the ./configure option
--shared-library-extension=<string>
The given string as added to the standard library name and to the soname,
e.g. changing libpetsc.so.3.23 to libpetsc<string>.so.3.23
The standard Debian build uses
--shared-library-extension=_real
for the default build supporting real numbers, and
--shared-library-extension=_complex
for the build supporting complex numbers.
Alternatives Priorities
-----------------------
The preferred PETSc installation is linked to /usr/lib/petsc:
update-alternatives --config petsc
and the corresponding preferred shared library is linked in
/usr/lib/<arch> in a separately managed alternative link:
update-alternatives --config libpetsc.so.3.23
(e.g. linking to libpetsc_real.so.3.23.0 or libpetsc_complex.so.3.23.0)
The priorities of the alternatives used in automatic alternatives
configuration are organised to prioritise the stripped over debug
version and the real over the complex version. The priorities
therefore are:
UDC
U is an upstream value and D and C are single digits
i.e.
U = upstream version e.g. 3.23.0
D = stripped (D=7) or debug version (D=3)
C = real (C=7) or complex (C=3)
Digits 7 and 3 are chosen to given local administrators more freedom
to set their own priorities, higher or lower, for custom builds.
sed/sh Error During Build-Time Tests with pdebuild (pbuilder)
-------------------------------------------------------------
chroot builds with pdebuild (builder) might show the following error
when running build-time tests (dh_auto_test):
sed: -e expression #1, char 29: unknown option to s'
/bin/sh: 4: [: -a: unexpected operator
This happens when the build path contains a '+',
e.g. from the DFSG version tag when the source dir is
/build/petsc-3.23.0+dfsg1/. The error occurs since '+' is used as the
sed delimiter in the chk_petscdir rule in lib/petsc/conf/rules. It is
probably safe to ignore this error (the PETSC_DIR warning being tested
likely does not apply in this case).
debian/js
---------
js scripts referenced by html docs have been downloaded into debian/js
to avoid privacy breaches.
Source urls are
https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/contrib/auto-render.min.js
https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.js
https://cdn.jsdelivr.net/npm/katex@0.11.1/dist/katex.min.css
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